I can think of nothing that captures the essence of last week’s Democratic debate participants better than the NPC meme: a stage full of preprogrammed “non-player characters” in a video game who are only allowed to interact through a limited number of responses and catchphrases. Still, a handful of the NPCs managed to make themselves stand out in the crowd. Che de Blasio and Perpetually-Peeved-Pocahontas on Wednesday night:And on Thursday, Rainbow (“did I mention I was gay?) Pete, Joey, Forever Angry Bernie and Kamala “I’m-Black-Like-Obama” Harris brought their game faces.Everyone else served as interchangeable automatons programmed to move the game...